For theplane stress problem in XYZ Cartesian system, xx= xx(x,y), yy – McqOptions

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1.	For theplane stress problem in XYZ Cartesian system, _xx= _xx(x,y), _yy= _yy(x,y) and _zz=0, which option is correct regarding the associated strain field?
A.	<sub>xx</sub>=0
B.	<sub>yx</sub>=0
C.	<sub>zx</sub>=0
D.	<sub>yy</sub>=0
Answer» D. <sub>yy</sub>=0

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